CVE-2019-8375
9.8
CRITICAL
CVSS 3.1
EPSS 16.0%
Description
The UIProcess subsystem in WebKit, as used in WebKitGTK through 2.23.90 and WebKitGTK+ through 2.22.6 and other products, does not prevent the script dialog size from exceeding the web view size, which allows remote attackers to cause a denial of service (Buffer Overflow) or possibly have unspecified other impact, related to UIProcess/API/gtk/WebKitScriptDialogGtk.cpp, UIProcess/API/gtk/WebKitScriptDialogImpl.cpp, and UIProcess/API/gtk/WebKitWebViewGtk.cpp, as demonstrated by GNOME Web (aka Epiphany).
How to fix CVE-2019-8375
To remediate CVE-2019-8375, upgrade the affected package to a fixed version below.
- —upgrade to 2.24.1-1 or later
Is CVE-2019-8375 being exploited?
Moderate — EPSS is 16.0%. Track this CVE but it's not at the top of the prioritisation list.
Affected packages (1)
- from 0, < 2.24.1-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |